quartic-movement when dragging TCOs, Colorize TCOs

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@2061 0778d3d1-df1d-0410-868b-ea421aaaa00d

ChangeLog

@@ -16,6 +16,14 @@
 	* src/gui/cusis_style.cpp:
 	Fix cache collision bug 
 
+	* src/gui/tracks/pattern_item.cpp:
+	Place marks once-per-tact
+
+	* src/gui/tracks/bb_tco_item.cpp:
+	* src/gui/tracks/track_content_object_item.cpp:
+	* src/gui/cusis_style.cpp:
+	Add per-TCO coloring and non-linear motion when dragging
+
 2009-02-19	Paul Giblock <drfaygo/at/gmail/dot/com>
 	
 	* include/track.h:

src/gui/cusis_style.cpp

@@ -147,7 +147,7 @@ QLinearGradient darken( const QLinearGradient & _gradient )
 	QGradientStops stops = _gradient.stops();
 	for (int i = 0; i < stops.size(); ++i) {
 		QColor color = stops.at(i).second;
-		stops[i].second = color.lighter(150);
+		stops[i].second = color.lighter(133);
 	}
 
 	QLinearGradient g = _gradient;
@@ -195,7 +195,7 @@ void drawPath( QPainter *p, const QPainterPath &path,
 
 	// highlight (bb)
 	if (dark)
-		p->strokePath(path, QPen(borderCol.lighter(150), 2));
+		p->strokePath(path, QPen(borderCol.lighter(133), 2));
 	else
 		p->strokePath(path, QPen(borderCol, 2));
 }
@@ -919,22 +919,23 @@ void CusisStyle::drawTrackContentObject( QPainter * _painter,
 		cache.fill( Qt::transparent );
 		QPainter painter( &cache );
 
-		QColor col;
-		if( !_option->selected )
-		{
-			col = QColor( 0x00, 0x33, 0x99 );
-		}
-		else
-		{
-			col = QColor( 0x00, 0x99, 0x33 );
-		}
-
-		QColor colBorder = col.lighter(160);
+		QColor col = _option->userColor;
+		QColor colBorder;
 		QColor col0;
 		if( _option->type == LmmsStyleOptionTCO::BbTco )
-			col0 = col;
+		{
+			colBorder = col;
+			col0 = _option->selected ?
+				QColor( 0x33, 0x00, 0x99 ) :
+				col.darker(140);
+		}
 		else
-			col0 = col.darker(400);
+		{
+			colBorder = QColor( 0x00, 0x33, 0x99 );
+			col0 = _option->selected ?
+				QColor( 0x33, 0x00, 0x99 ).darker(180) :
+				colBorder.darker(420);
+		}
 
 		painter.setRenderHint( QPainter::Antialiasing, true );
 
@@ -957,7 +958,12 @@ void CusisStyle::drawTrackContentObject( QPainter * _painter,
 			}
 
 			painter.translate( 1, 0 );
-			painter.setPen( col.lighter(160) );
+			QColor faint = QColor::fromHsv( 
+					colBorder.hue(),
+					colBorder.saturation()/2,
+					colBorder.value() );
+
+			painter.setPen( faint );
 			for( float x = t * cellW; x < rc.width()-2; x += t * cellW )
 			{
 				painter.drawLine(x, 2, x, rc.height()-5);

src/gui/tracks/bb_tco_item.cpp

@@ -62,14 +62,16 @@ void BbTrackContentObjectItem::paint(
 	_painter->scale( 1.0f/xscale, 1.0f );
 	rc.setWidth( rc.width() * xscale );
 
+	bbTCO * bbTco  = (bbTCO*)m_tco;
+
 	// TODO: Use a proxy class
 	LmmsStyleOptionTCO * options = new LmmsStyleOptionTCO();
 	options->type = LmmsStyleOptionTCO::BbTco;
 	options->rect = rc;
 	options->selected = isSelected();
 	options->hovered = m_hover;
+	options->userColor = bbTco->color();
 
-	bbTCO * bbTco  = (bbTCO*)m_tco;
 	int trackNum = bbTrack::numOfBBTrack( bbTco->getTrack() );
 	options->duration = engine::getBBTrackContainer()->lengthOfBB( trackNum );
 

src/gui/tracks/pattern_item.cpp

@@ -63,7 +63,7 @@ void PatternItem::paint(
 	options->rect = rc;
 	options->selected = isSelected();
 	options->hovered = m_hover;
-	options->duration = 0;
+	options->duration = 1;
 
 	engine::getLmmsStyle()->drawTrackContentObject( _painter, m_tco, options );
 

src/gui/tracks/track_content_object_item.cpp

@@ -123,6 +123,29 @@ void TrackContentObjectItem::paint( QPainter * _painter,
 
 
 
+float easeInOutQuad(float t, float b, float c, float d) 
+{
+    float t_adj = 2.0f * (float)t / (float)d;
+    if (t_adj < 1) {
+        return c/2*t_adj*t_adj + b;
+    } else {
+        --t_adj;
+        return -c/2 * ((t_adj)*(t_adj-2) - 1) + b;
+    }
+}
+
+// I think this was the best from Cubic thru Quint
+float easeInOutQuart(float t, float b, float c, float d) 
+{
+    float t_adj = 2.0f * (float)t / (float)d;
+    if (t_adj < 1) return c/2*t_adj*t_adj*t_adj*t_adj + b;
+    else {
+        t_adj -= 2.0f;
+        return -c/2 * (t_adj*t_adj*t_adj*t_adj - 2) + b;
+    }
+} 
+
+
 QVariant TrackContentObjectItem::itemChange( GraphicsItemChange _change,
                                              const QVariant & _value )
 {
@@ -149,6 +172,11 @@ QVariant TrackContentObjectItem::itemChange( GraphicsItemChange _change,
 		} */
 		newPos.setY( m_trackItem->y() );
 		
+		float cellW = 16.0f;
+		float xmod = fmod( newPos.x(), cellW);
+
+		newPos.setX( easeInOutQuart( xmod, newPos.x() - xmod, cellW, cellW ) );
+
 		/*
 		if( fmod( newPos.x(), 16 ) != 0 )
 		{